More of a good will be provided the higher its price, less will be provided the lower its price, is known a. law of supply b. supply curve c. quantity supplied d. supply schedule

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

Aryans believed that the most important thing in life was warfare. if this statement is true, which of the following facts best supports it?

Commercial agriculture consists of raising food for trade and profit, while subsistence agriculture focuses on -- a. providing the basic needs of the farmer's family b. providing the basic needs of the neighboring communities c. creating more arable land for future use d. obtaining subsidies from governments and corporations